Breakouts:

site type timestamp offset
S046-06-S0025 velocity 2015-03-01 06:00:00 0.64
S11-000080 velocity 2015-01-30 22:00:00 0.23
S11-000080 velocity 2015-02-17 09:00:00 -0.16
IALL-B0355 velocity 2015-03-03 15:00:00 0.19

Appendix: A complete list of monitored sites